diff --git a/examples/cwebp.c b/examples/cwebp.c
index df14b83f..a04264db 100644
--- a/examples/cwebp.c
+++ b/examples/cwebp.c
@@ -838,6 +838,11 @@ int main(int argc, const char *argv[]) {
       }
     } else if (!strcmp(argv[c], "-noalpha")) {
       keep_alpha = 0;
+#ifdef USE_LOSSLESS_ENCODER
+    } else if (!strcmp(argv[c], "-lossless")) {
+      config.lossless = 1;
+      picture.use_argb_input = 1;
+#endif
     } else if (!strcmp(argv[c], "-size") && c < argc - 1) {
       config.target_size = strtol(argv[++c], NULL, 0);
     } else if (!strcmp(argv[c], "-psnr") && c < argc - 1) {